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CEN EXAM VERSION1 NEWEST 2025/2026
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COMPLETE 250 QUESTIONS AND CORRECT
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ANSWERS (VERIFIED ANSWERS) |ALREADY
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GRADED A+||BRAND NEW VERSION!!
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Which of the following is NOT appropriate for screening for domestic
violence by the emergency department nurse?
a.asking if the person has been hit, kicked, or otherwise hurt by someone in
the past year; if so, by whom
b.asking, "Do you feel safe in your present relationship?"
c.avoid asking about intimate person violence if the patient is in the
emergency department for a medical ailment, not trauma
d.asking if there is a partner from a previous relationship that makes the
individual feel unsafe ......answer.....C: Domestic violence, nearly always
perpetrated against women, is a major problem confronted by the
emergency nurse. Screening for possible cases should include answers A, B
and D. Interestingly, victims of intimate partner violence often present with
a medical ailment, not trauma. These include back, abdominal, or pelvic
pain, headaches, urinary infections, sexually transmitted disease, or
symptoms consistent with posttraumatic stress disorder (PTSD). Sometimes
evidence of old trauma such as healing fractures or cosmetically concealed
bruises may point toward the presence of domestic violence. Many victims
will deny it but sometimes compassionate questioning in a private setting
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will elicit a positive response. The nurse may then offer advice, refer to a
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social agency or shelter, or ask for a consultation by the hospital social
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worker.
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A patient is intubated and on mechanical ventilation. The ventilator alarm
rings and the airway pressure is found to be elevated. Possible causes include
the following EXCEPT:
a.endotracheal tube obstruction with sputum
b.pneumothorax
c.bronchospasm
d.cuff leak ......answer.....D: Mechanical ventilation requires diligent
observation of the patient and ventilator by the emergency nurse. Modern
ventilators usually come with alarms that indicate high or low airway
pressure. High pressure may be caused by endotracheal tube obstruction
with sputum or kinks or inadvertent endobronchial displacement. The
airway should be suctioned and tube placement checked. A chest x-ray is
frequently helpful in determining the cause. Lung collapse, worsening of the
underlying disease, and bronchospasm are also causes of elevated pressure.
Leaks around the endotracheal tube cuffs will cause low airway pressure.
Auto-positive end-expiratory pressure (auto-PEEP) is caused by premature
inspiratory delivery before full expiration (as in asthma or COPD patients)
and may lead to increased pressure and lung damage.
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A 2-year-old is brought to the emergency department with mild fever,
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persistent restlessness, crying, and pulling his left ear. He has had a cold for
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about a week. Examination of the ear reveals a distorted light reflex and
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slight bulging of the tympanic membrane. What is the proper diagnosis and
treatment?
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a.otitis externa and antibiotics
b.otitis media and antibiotics
c.otitis media and myringotomy
d.acute labyrinthitis and antivertigo drug ......answer.....B: Ear infections may
cause severe and persistent pain, especially in children in the 6-month to 3-
year age group and are a frequent cause of emergency department visits.
Loss or distortion of the light reflex and bulging of the tympanic membrane
are cardinal signs of otitis media, usually caused by bacteria such as
Streptococcus Influenza or Haemophilus Influenza. Sinusitis and purulent
rhinitis may accompany the otitis. Antibiotics to cover these organisms,
topical warmed otic analgesics, and antipyretics are the usual treatment
modalities. Otitis externa or swimmer's ear also causes otalgia and
frequently follows swimming in contaminated water or a foreign body in the
ear. Keeping the ear dry and using otic analgesics and antibiotics are
indicated. Ear plugs while swimming or ear drying agents after swimming or
showering are the usual preventive measures. Myringotomy is a surgical
procedure to keep the middle ear draining in chronic otitis media and
hopefully prevent such complications as mastoiditis, meningitis, ruptured
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tympanic membrane, or permanent hearing loss. Labyrinthitis is an infection
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of the inner ear and usually causes severe vertigo, most commonly in adults.
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A 75-year-old man has a history of several episodes of transient right-sided
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arm and hand weakness lasting an hour or two but with full recovery. He is
diabetic and hypertensive and is taking medication for both conditions. This
time the episode does not resolve and he is taken to the emergency
department some 2 hours after the onset of symptoms. He is awake and able
to answer questions and give a medical history. His chest is clear and no
bruits are heard over the carotids. There is drift of the right arm on
examination and his speech is slightly garbled. His blood pressure is 160/95
mm Hg and his pulse is irregular at 80 beats per minute. A CT of the brain
reveals a small left-sided occlusion in a branch of the middle cerebral arterial
circulation without hemorrhage. What should be the next step in his
management?
a.start nitroprusside to reduce his blood pressure to normal
b.begin fibrinolytic therapy with altep ......answer.....B: This patient had
several transient ischemic attacks prior to his clear-cut signs of a stroke,
shown to be nonhemorrhagic in nature. Such strokes may be caused by local
thrombosis, especially in arteriosclerotic vessels, or by emboli arising in the
carotid artery (usually at the bifurcation of the internal and external vessels)
or the heart, most often in atrial fibrillation patients with clots in the atrial
appendage. Because this patient arrived in the emergency department within
3 hours from the onset of symptoms, the current recommendation is to